Ampere's Circuital Law

What does Ampere's Circuital Law relate?

• Electric field and charge
• Magnetic field and current
• Capacitance and voltage
• Resistance and current

The integral form of Ampere's law involves which of the following?

• Surface integral
• Volume integral
• Line integral
• Point integral

In a closed loop, the line integral of B⋅dl is proportional to _____.

• The enclosed electric charge
• The enclosed magnetic charge
• The enclosed electric current
• None of the above

What is the constant of proportionality in Ampere's Circuital Law in free space?

• ε₀ (epsilon naught)
• μ₀ (mu naught)
• k
• G

Which law is a consequence of Ampere's law combined with Biot–Savart law?

• Gauss's Law for electricity
• Ohm's Law
• Faraday's Law of Induction
• Kirchhoff's current law

For which configuration is Ampere's Circuital Law directly applicable without modification?

• Non-uniform current distribution
• Oscillating currents
• Steady currents in symmetrical configurations
• All of the above

The magnetic field inside a long solenoid with N turns and carrying a current I is given by?

• μ₀NI/L
• μ₀N/I
• μ₀IN
• μ₀I/N

In Ampere's Circuital Law, the line integral of the magnetic field around a closed loop equals?

• Zero
• μ₀ times the electric current enclosed
• ε₀ times the electric current enclosed
• μ₀ times the magnetic field enclosed

For a toroid, the magnetic field outside its core is?

• Zero
• μ₀I
• μ₀NI
• μ₀N/I

A modification to Ampere's law was needed to account for?

• Magnetic monopoles
• Changing electric fields
• Constant current densities
• Fixed electric charges